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28 May 2016

Rosetta spacecraft finds key building blocks for life in a comet

Comets could have sparked life on Earth as building blocks of DNA found in space

Scientists for the first time have directly detected key organic compounds in a comet, bolstering the notion that these celestial objects delivered such chemical building blocks for life long ago to Earth and throughout the solar system.

The European Space Agency's Rosetta spacecraft made several detections of the amino acid glycine, used by living organisms to make proteins, in the cloud of gas and dust surrounding Comet 67P/Churyumov-Gerasimenko, scientists said on Friday.

Glycine previously was indirectly detected in samples returned to Earth in 2006 from another comet, Wild 2. But there were contamination issues with the samples, which landed in the Utah desert, that complicated the scientific analysis.

"Having found glycine in more than one comet shows that neither Wild 2 nor 67P are exceptions," said Rosetta scientist Kathrin Altwegg of the University of Bern in Switzerland, who led the research published in the journal Science Advances.

The discovery implies that glycine is a common ingredient in regions of the universe where stars and planets have formed, Altwegg said.

Altwegg and colleagues also found phosphorus, a key element in all living organisms, and other organic molecules in dust surrounding comet 67P. It was the first time phosphorus was found around a comet.Scientists have long debated the circumstances around the origin of life on Earth billions of years ago, including the hypothesis that comets and asteroids carrying organic molecules crashed into the oceans on the Earth early in its history. "Meteorites and now comets prove that Earth has been seeded with many critical biomolecules over its entire history," said University of Washington astronomer Donald Brownlee, who led NASA’s Stardust comet sample return mission. Scientists plan to use Rosetta to look for other complex organic compounds around the same comet.

"You need more than amino acids to form a living cell," Altwegg said. "It's the multitude of molecules which make up the ingredients for life." Rosetta is due to end its two-year mission at 67P by flying very close to the comet and then crash-land onto its surface this September.

67P is in an elliptical orbit that loops around the sun between the orbits of the planets Jupiter and Earth. The comet is heading back out toward Jupiter after reaching its closest approach to the sun last August.

Parrhesia

The two all-time most popular posts of Transudationism

A modern-day classic

All life is a form of light, and the cosmos is a holonic Holy Hologram.

Immanence ≋ Transcendence

Transudationism: mankinds' cosmic ideology.

SIC ITUR AD ASTRA!

Ascensional Transudation

Cosmic Evolution

All history is the history of the evolutionary transubstantiation of matter to Spirit via biological-life processes of Blood and Reason.

Alexandr Solzhenitsyn's concluding thoughts from his 1978 Harvard address, A World Split Apart

Alexandr Solzhenitsyn's concluding thoughts from his famous 1978 Harvard address,"A World Split Apart":

It would be retrogression to attach oneself today to the ossified formulas of the Enlightenment. Social dogmatism leaves us completely helpless in front of the trials of our times.

Even if we are spared destruction by war, our lives will have to change if we want to save life from self-destruction. We cannot avoid revising the fundamental definitions of human life and human society. Is it true that man is above everything? Is there no Superior Spirit above him? Is it right that man's life and society's activities have to be determined by material expansion in the first place? Is it permissible to promote such expansion to the detriment of our spiritual integrity?

If the world has not come to its end, it has approached a major turn in history, equal in importance to the turn from the Middle Ages to the Renaissance. It will exact from us a spiritual upsurge, we shall have to rise to a new height of vision, to a new level of life where our physical nature will not be cursed as in the Middle Ages, but, even more importantly, our spiritual being will not be trampled upon as in the Modern era.

This ascension will be similar to climbing onto the next anthropologic stage. No one on earth has any other way left but - upward.

In recent times it has been fashionable to talk of the levelling of nations, of the disappearance of different races in the melting-pot of contemporary civilization. I do not agree with this opinion, but its discussion remains another question. Here it is merely fitting to say that the disappearance of nations would have impoverished us no less than if all men had become alike, with one personality and one face. Nations are the wealth of mankind, its collective personalities; the very least of them wears its own special colours and bears within itself a special facet of divine intention.

Dr. Paul Craig Roberts

Neoconservatives used 9/11 to launch their plan for US world hegemony. Their plan fit with the interests of America’s ruling oligarchies. Wars are good for the profits of the military/security complex, about which President Eisenhower warned us in vain a half century ago. American hegemony is good for the oil industry’s control over resources and resource flows. The transformation of the Middle East into a vast American puppet state serves well the Israel Lobby’s Zionist aspirations for Israeli territorial expansion.

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MIdwest Book Review:

"The seed of the universe is the big bang, says Kyle McDermott in 'The Declaration of White Independence: The Founding Documents of Transudationism'. An explanation of this view which holds that all of current humanity and life on Earth today was intentionally set in motion all those billions of years ago, 'The Declaration of White Independence' probes matters of cosmological significance with straightforward candor and accessibility. Featuring intriguing concepts and ideas, 'The Declaration of White Independence' is highly recommended for metaphysical studies shelves."

The Music of Life: Biology Beyond Genes

and speaking of cosmic symphonies, Julianne Hough

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